The elderly are a formidable force in any election.

老年人在任何选举中都是一股强大的力量。

《柯林斯英汉双解大词典》

In spite of that, few people could get rid of number superstition. Once a superstitious belief is widely spread, it will become a formidable force of habit.

尽管如此，很少有人能摆脱数字迷信。一种迷信一旦流行，就会成为一种可怕的习惯势力。

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"This past year, I was a visiting scholar for the Phi Beta Kappa Society and went to small liberal arts colleges in the United States, and not only gave public lectures about science, but also research lectures, and then also spoke with women about the importance of bringing their intellectual force, which is formidable, to the scientific arena in the future."

VOA: standard.2010.03.29

Sweetheart deal or no, the Air Transport Association (ATA) will be a formidable force in the debate.

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Google has proven to be a formidable force in operating systems, not only with Android, but also with its Chromebook hardware.

FORBES: This Company's Still Throwing Good Money After Bad

With eight hospitals and 850 beds, Max is a small but formidable force in New Delhi, where it focuses on high-end procedures and deluxe care.

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